diff --git a/README.rst b/README.rst
index 32af832..f0eb2bb 100644
--- a/README.rst
+++ b/README.rst
@@ -66,7 +66,7 @@ Usage Example
     import adafruit_adt7410
 
     i2c = board.I2C()  # uses board.SCL and board.SDA
-    adt = adafruit_adt7410.ADT7410(i2c_bus, address=0x48)
+    adt = adafruit_adt7410.ADT7410(i2c, address=0x48)
     adt.high_resolution = True
 
     while True: